/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include "chrlohdl.hxx"
#include <xmloff/xmltoken.hxx>
#include <xmloff/xmluconv.hxx>
#include <unotools/saveopt.hxx>
#include <i18nlangtag/languagetag.hxx>
#include <sal/log.hxx>
#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/lang/Locale.hpp>
using namespace ::com::sun::star;
using namespace ::xmloff::token;
/* TODO-BCP47: this fiddling with Locale is quite ugly and fragile, especially
* for the fo:script temporarily stored in Variant, it would be better to use
* LanguageTagODF but we have that nasty UNO API requirement here.
* => make LanguageTagODF (unpublished) API? */
// For runtime performance, instead of converting back and forth between
// css::Locale and LanguageTag to decide if script or tag are
// needed, this code takes advantage of knowledge about the internal
// representation of BCP 47 language tags in a Locale if present as done in a
// LanguageTag.
XMLCharLanguageHdl::~XMLCharLanguageHdl()
{
// nothing to do
}
bool XMLCharLanguageHdl::equals( const css::uno::Any& r1, const css::uno::Any& r2 ) const
{
bool bRet = false;
lang::Locale aLocale1, aLocale2;
if( ( r1 >>= aLocale1 ) && ( r2 >>= aLocale2 ) )
{
bool bEmptyOrScriptVariant1 = (aLocale1.Variant.isEmpty() || aLocale1.Variant[0] == '-');
bool bEmptyOrScriptVariant2 = (aLocale2.Variant.isEmpty() || aLocale2.Variant[0] == '-');
if (bEmptyOrScriptVariant1 && bEmptyOrScriptVariant2)
bRet = ( aLocale1.Language == aLocale2.Language );
else
{
OUString aLanguage1, aLanguage2;
if (bEmptyOrScriptVariant1)
aLanguage1 = aLocale1.Language;
else
aLanguage1 = LanguageTag( aLocale1).getLanguage();
if (bEmptyOrScriptVariant2)
aLanguage2 = aLocale2.Language;
else
aLanguage2 = LanguageTag( aLocale2).getLanguage();
bRet = ( aLanguage1 == aLanguage2 );
}
}
return bRet;
}
bool XMLCharLanguageHdl::importXML( const OUString& rStrImpValue, uno::Any& rValue, const SvXMLUnitConverter& ) const
{
lang::Locale aLocale;
rValue >>= aLocale;
if( !IsXMLToken(rStrImpValue, XML_NONE) )
{
if (aLocale.Variant.isEmpty())
aLocale.Language = rStrImpValue;
else
{
if (!aLocale.Language.isEmpty() || aLocale.Variant[0] != '-')
{
SAL_WARN_IF( aLocale.Language != I18NLANGTAG_QLT, "xmloff.style",
"XMLCharLanguageHdl::importXML - attempt to import language twice");
}
else
{
aLocale.Variant = rStrImpValue + aLocale.Variant;
if (!aLocale.Country.isEmpty())
aLocale.Variant += "-" + aLocale.Country;
aLocale.Language = I18NLANGTAG_QLT;
}
}
}
rValue <<= aLocale;
return true;
}
bool XMLCharLanguageHdl::exportXML( OUString& rStrExpValue, const uno::Any& rValue, const SvXMLUnitConverter& ) const
{
lang::Locale aLocale;
if(!(rValue >>= aLocale))
return false;
if (aLocale.Variant.isEmpty())
rStrExpValue = aLocale.Language;
else
{
LanguageTag aLanguageTag( aLocale);
OUString aScript, aCountry;
aLanguageTag.getIsoLanguageScriptCountry( rStrExpValue, aScript, aCountry);
// Do not write *:language='none' for a non-ISO language with
// *:rfc-language-tag that is written if Variant is not empty. If there
// is no match do not write this attribute at all.
if (rStrExpValue.isEmpty())
return false;
}
if( rStrExpValue.isEmpty() )
rStrExpValue = GetXMLToken( XML_NONE );
return true;
}
XMLCharScriptHdl::~XMLCharScriptHdl()
{
// nothing to do
}
bool XMLCharScriptHdl::equals( const css::uno::Any& r1, const css::uno::Any& r2 ) const
{
bool bRet = false;
lang::Locale aLocale1, aLocale2;
if( ( r1 >>= aLocale1 ) && ( r2 >>= aLocale2 ) )
{
bool bEmptyVariant1 = aLocale1.Variant.isEmpty();
bool bEmptyVariant2 = aLocale2.Variant.isEmpty();
if (bEmptyVariant1 && bEmptyVariant2)
bRet = true;
else if (bEmptyVariant1 != bEmptyVariant2)
; // stays false
else
{
OUString aScript1, aScript2;
if (aLocale1.Variant[0] == '-')
aScript1 = aLocale1.Variant.copy(1);
else
aScript1 = LanguageTag( aLocale1).getScript();
if (aLocale2.Variant[0] == '-')
aScript2 = aLocale2.Variant.copy(1);
else
aScript2 = LanguageTag( aLocale2).getScript();
bRet = ( aScript1 == aScript2 );
}
}
return bRet;
}
bool XMLCharScriptHdl::importXML( const OUString& rStrImpValue, uno::Any& rValue, const SvXMLUnitConverter& ) const
{
lang::Locale aLocale;
rValue >>= aLocale;
if( !IsXMLToken( rStrImpValue, XML_NONE ) )
{
// Import the script only if we don't have a full BCP 47 language tag
// in Variant yet.
if (aLocale.Variant.isEmpty())
{
if (aLocale.Language.isEmpty())
{
SAL_INFO( "xmloff.style", "XMLCharScriptHdl::importXML - script but no language yet");
// Temporarily store in Variant and hope the best (we will get
// a language later, yes?)
aLocale.Variant = "-" + rStrImpValue;
}
else
{
aLocale.Variant = aLocale.Language + "-" + rStrImpValue;
if (!aLocale.Country.isEmpty())
aLocale.Variant += "-" + aLocale.Country;
aLocale.Language = I18NLANGTAG_QLT;
}
}
else if (aLocale.Variant[0] == '-')
{
SAL_WARN( "xmloff.style", "XMLCharScriptHdl::importXML - attempt to insert script twice: "
<< rStrImpValue << " -> " << aLocale.Variant);
}
else
{
// Assume that if there already is a script or anything else BCP 47
// it was read by XMLCharRfcLanguageTagHdl() and takes precedence.
// On the other hand, an *:rfc-language-tag without script and a
// *:script ?!?
#if OSL_DEBUG_LEVEL > 0 || defined(DBG_UTIL)
LanguageTag aLanguageTag( aLocale);
if (!aLanguageTag.hasScript())
{
SAL_WARN( "xmloff.style", "XMLCharScriptHdl::importXML - attempt to insert script over bcp47: "
<< rStrImpValue << " -> " << aLanguageTag.getBcp47());
}
#endif
}
}
rValue <<= aLocale;
return true;
}
bool XMLCharScriptHdl::exportXML(OUString& rStrExpValue,
const uno::Any& rValue, const SvXMLUnitConverter& rUnitConv) const
{
lang::Locale aLocale;
if(!(rValue >>= aLocale))
return false;
// Do not write script='none' for default script.
if (aLocale.Variant.isEmpty())
return false;
LanguageTag aLanguageTag( aLocale);
if (!aLanguageTag.hasScript())
return false;
if (rUnitConv.getSaneDefaultVersion() < SvtSaveOptions::ODFSVER_012)
return false;
OUString aLanguage, aCountry;
aLanguageTag.getIsoLanguageScriptCountry( aLanguage, rStrExpValue, aCountry);
// For non-ISO language it does not make sense to write *:script if
// *:language is not written either, does it? It's all in
// *:rfc-language-tag
return !aLanguage.isEmpty() && !rStrExpValue.isEmpty();
}
XMLCharCountryHdl::~XMLCharCountryHdl()
{
// nothing to do
}
bool XMLCharCountryHdl::equals( const css::uno::Any& r1, const css::uno::Any& r2 ) const
{
bool bRet = false;
lang::Locale aLocale1, aLocale2;
if( ( r1 >>= aLocale1 ) && ( r2 >>= aLocale2 ) )
bRet = ( aLocale1.Country == aLocale2.Country );
return bRet;
}
bool XMLCharCountryHdl::importXML( const OUString& rStrImpValue, uno::Any& rValue, const SvXMLUnitConverter& ) const
{
lang::Locale aLocale;
rValue >>= aLocale;
if( !IsXMLToken( rStrImpValue, XML_NONE ) )
{
if (aLocale.Country.isEmpty())
{
aLocale.Country = rStrImpValue;
if (aLocale.Variant.getLength() >= 7 && aLocale.Language == I18NLANGTAG_QLT)
{
// already assembled language tag, at least ll-Ssss and not
// ll-CC or lll-CC
sal_Int32 i = aLocale.Variant.indexOf('-'); // separator to script
if (2 <= i && i < aLocale.Variant.getLength())
{
i = aLocale.Variant.indexOf( '-', i+1);
if (i < 0) // no other separator
aLocale.Variant += "-" + rStrImpValue; // append country
}
}
}
}
rValue <<= aLocale;
return true;
}
bool XMLCharCountryHdl::exportXML( OUString& rStrExpValue, const uno::Any& rValue, const SvXMLUnitConverter& ) const
{
lang::Locale aLocale;
if(!(rValue >>= aLocale))
return false;
if (aLocale.Variant.isEmpty())
rStrExpValue = aLocale.Country;
else
{
LanguageTag aLanguageTag( aLocale);
OUString aLanguage, aScript;
aLanguageTag.getIsoLanguageScriptCountry( aLanguage, aScript, rStrExpValue);
// Do not write *:country='none' for a non-ISO country with
// *:rfc-language-tag that is written if Variant is not empty. If there
// is no match do not write this attribute at all.
if (rStrExpValue.isEmpty())
return false;
}
if( rStrExpValue.isEmpty() )
rStrExpValue = GetXMLToken( XML_NONE );
return true;
}
XMLCharRfcLanguageTagHdl::~XMLCharRfcLanguageTagHdl()
{
// nothing to do
}
bool XMLCharRfcLanguageTagHdl::equals( const css::uno::Any& r1, const css::uno::Any& r2 ) const
{
bool bRet = false;
lang::Locale aLocale1, aLocale2;
if( ( r1 >>= aLocale1 ) && ( r2 >>= aLocale2 ) )
bRet = ( aLocale1.Variant == aLocale2.Variant );
return bRet;
}
bool XMLCharRfcLanguageTagHdl::importXML( const OUString& rStrImpValue, uno::Any& rValue, const SvXMLUnitConverter& ) const
{
lang::Locale aLocale;
rValue >>= aLocale;
if( !IsXMLToken( rStrImpValue, XML_NONE ) )
{
// Stored may be a *:rfc-language-tag in violation of ODF v1.3
// 19.516 style:rfc-language-tag "It shall only be used if its value
// cannot be expressed as a valid combination of the fo:language
// 19.871, fo:script 19.242 and fo:country 19.234 attributes".
// That could override a more detailed fo:* and we also don't want an
// unjustified I18NLANGTAG_QLT extended locale tag, but fetch the
// values in case fo:* doesn't follow.
// Rule out the obvious.
if (rStrImpValue.getLength() < 7)
{
SAL_WARN("xmloff.style","rfc-language-tag too short: {" << rStrImpValue << "} Set: "
<< aLocale.Language <<","<< aLocale.Country <<","<< aLocale.Variant);
// Ignore empty and keep Ssss or any earlier qlt already set.
if (!rStrImpValue.isEmpty() && aLocale.Language != I18NLANGTAG_QLT)
{
// Shorter than ll-Ssss, so try ll-CC or lll-CC or ll or lll
sal_Int32 h = rStrImpValue.indexOf('-');
OUString aLang;
if (2 <= h && h <= 3)
aLang = rStrImpValue.copy(0, h);
else if (h < 0 && 2 <= rStrImpValue.getLength() && rStrImpValue.getLength() <= 3)
aLang = rStrImpValue;
OUString aCoun;
if (!aLang.isEmpty() && aLang.getLength() + 3 == rStrImpValue.getLength())
aCoun = rStrImpValue.copy( aLang.getLength() + 1);
// Ignore identical value or less information.
if ((!aLang.isEmpty() && aLang != aLocale.Language) ||
(!aCoun.isEmpty() && aCoun != aLocale.Country))
{
// Do not override existing values.
if (aLocale.Language.isEmpty())
aLocale.Language = aLang;
if (aLocale.Country.isEmpty())
aLocale.Country = aCoun;
if (aLang != aLocale.Language || aCoun != aLocale.Country)
{
// No match, so we still need the qlt anyway. Whatever..
aLocale.Variant = rStrImpValue;
aLocale.Language = I18NLANGTAG_QLT;
}
}
else if (aLang.isEmpty() && aCoun.isEmpty())
{
// Both empty, some other tag.
aLocale.Variant = rStrImpValue;
aLocale.Language = I18NLANGTAG_QLT;
}
}
SAL_WARN("xmloff.style","rfc-language-tag too short: now set: "
<< aLocale.Language <<","<< aLocale.Country <<","<< aLocale.Variant);
}
else
{
aLocale.Variant = rStrImpValue;
aLocale.Language = I18NLANGTAG_QLT;
}
}
rValue <<= aLocale;
return true;
}
bool XMLCharRfcLanguageTagHdl::exportXML(OUString& rStrExpValue,
const uno::Any& rValue, const SvXMLUnitConverter& rUnitConv) const
{
lang::Locale aLocale;
if(!(rValue >>= aLocale))
return false;
// Do not write rfc-language-tag='none' if BCP 47 is not needed.
if (aLocale.Variant.isEmpty())
return false;
if (rUnitConv.getSaneDefaultVersion() < SvtSaveOptions::ODFSVER_012)
return false;
rStrExpValue = aLocale.Variant;
return true;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
↑ V1019 Compound assignment expression 'r2 >>= aLocale2' is used inside condition.
↑ V1019 Compound assignment expression 'r2 >>= aLocale2' is used inside condition.
↑ V1019 Compound assignment expression 'r2 >>= aLocale2' is used inside condition.
↑ V1019 Compound assignment expression 'r2 >>= aLocale2' is used inside condition.